Calling all land sharks: Celebrate Shark Week at the Saint Louis Zoo with live Caribbean music and shark-themed activities. Any guests dressed as a shark will score free admission to the Stringrays at the Caribbean Cove exhibit (admission is normally $4 per person). Visitors over age 13 are not permitted to use masks or face paint, but a cool shark hat is fine. Paying customers will receive an “I Survived Shark Week” sticker and 10 percent off munchies at Ray’s Bar & Grill and the zoo gift shop. The zoo is home to shy bonnethead, white-spotted, and brown-banded bamboo sharks. Free, Saint Louis Zoo, Forest Park, 314-781-0900.

Take your kids to a real Teddy Bear Picnic at the Field House Museum, where you can admire toys from the past. The picnic includes a tour of the museum’s new teddy bear exhibit, a hot dog lunch, fun crafts, story time, and a teddy bear parade. 11 a.m.–3 p.m. Saturday and noon–3 p.m. Sunday. Tickets are $8 for kids ages 6 and under and $15 for ages 7 and up. 634 S. Broadway, 314-421-4689.

Watch Finding Dory while splashing around the pool at the Lodge of Des Peres. No outside tubes are allowed, but don’t worry—the lodge has plenty of tubes on a first-come, first-serve basis. Members of the Lodge and Des Peres residents can check in early, beginning at 8 p.m.; non-residents can begin checking in at 8:30 p.m. The movie begins at 9 p.m. Free for members, $5 for residents, $10 for non-residents. 1050 Des Peres, 314-835-6150.

Bring the kids on a great green adventure at the Missouri Botanical Garden, and explore the wonders of the Chinese Garden. Children will have fun learning about plants and enjoying hands-on activities, games, and stories. $3 children ages 6–12, free for members, plus regular admission. Two sessions: 10:30–11:30 a.m. or 1:30–2:30 p.m. No RSVP required. 4344 Shaw.

Head to Purina Farms to see more than 20 trucks and the dogs that work with them. Kids can learn why fire trucks aren’t complete without a Dalmatian and why herding dogs are a rancher’s best friend. Children can take home balloon animals and enjoy games as well. Free. 10a.m.–2p.m. 500 William Danforth Way, Gray Summit.